Learning
https://www.youtube.com/watch?v=E0OaKyx6zGI
https://www.youtube.com/playlist?list=PLqTetbgey0aemiTfD8QkMsSUq8hQzv-vA
https://www.youtube.com/watch?v=pCFstSMvAMI
https://www.youtube.com/playlist?list=PLqTetbgey0aekpYHoIPKssY94U-OBMeNE
https://www.youtube.com/watch?v=eKLqFnAmK6c
http://www.getbodysmart.com/ap/nervoussystem/menu/menu.html
Animation: The Nerve Impulse http://highered.mheducation.com/sites/0072495855/student_view0/chapter14/animation__the_nerve_impulse.html
Reflex arc
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_21c/brain_mind/nervoussystemrev3.shtml
Action potential
https://en.wikipedia.org/wiki/Action_potential
http://faculty.pasadena.edu/dkwon/chap10_A/chap%2010_A%20accessible_files/800x600/index.html
http://www.brainhq.com/brain-resources/cool-brain-facts-myths
How do dogs "see" with their noses?
https://www.youtube.com/watch?v=p7fXa2Occ_U
Can Dogs Smell Cancer?
http://companiontraining.com/can-dogs-smell-cancer/
https://www.youtube.com/playlist?list=PLAB2FC119A2CA3C57
Rat Dissection
https://www.youtube.com/watch?v=xotOoBQ1xWQ
http://www.utm.edu/staff/rirwin/public_html/RatAnat.htm
http://www.biologycorner.com/worksheets/rat_dissection.html